Answer:
D, Secondary Succession
Explanation:
The answer is D because a habitat is an organism's home, a niche is the organism's role, and primary succession is when there are changes to land that contain no soil or life. Hope this helped :3
This would be an example of embryological development.
Answer:
increasing the number of molecules that have sufficient kinetic energy to react.
I believe it is (B) It is not used up
Hope this helps!
- Rainbow :3